Role of fracture toughness in impact-abrasion wear

A. R. Chintha, K. Valtonen, V.-T. Kuokkala, S. Kundu, M.J. Peet, H.K.D.H. Bhadeshia

Abstract

Two new low alloyed steels have been developed with different fracture toughness values but at similar level of hardness with same composition and microstructural phase. The steels were subjected to impact-abrasion wear test. This work examines specifically the additional role of toughness during impact-abrasion wear, using a newly developed high toughness steel. Microstructural characterisation of the damaged samples revealed that better toughness helps resist both impact and abrasion damage.

Wear 428-429 (2019) 430-437 https://doi.org/10.1016/j.wear.2019.03.028

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